ASUS - ROG Ally Z1 Extreme vs Valve - Steam Deck OLED 1TB

These two are nearly even on the Mars Score (60.7 vs 62.2). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the ROG Ally Z1 Extreme if you care most about max refresh and ray tracing. The biggest gaps in its favor are max refresh, ray tracing.

Pick the Steam Deck OLED 1TB if you care most about storage. Its strongest claims are storage.

Both ship with comparable ram, max resolution, disc drive, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.